HydroBASINS lev08 watershed · #4080824690
Bassin de 雅砻江
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 2 administrative regions : Garzê Tibetan, Liangshan Yi
Sub-basin area
1 702,8km²
Upstream area
81 926,6km²
Discharge
1 000,99m³/s
Mean elev.
3 485m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 雅砻江578 km²
- Bassin · #4080806590408 km²
2 dept-equivalent regions (GADM L2)
- 1638.9 km²96.4% of basin
- 61.4 km²3.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
170 distinct species · 283 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 10 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de 雅砻江 : 8 espèces reliées par 10 interactions GloBI sur 3 types (connectance 15.2%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
6,6°C
Annual rain
911mm
Moisture idx (CMI)
-0,05
Runoff
414mm/an
PET
973mm
AET
685mm
Mean slope
27,6°
Water table
1 001cm
Forest
76%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)